PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824

PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824

PROFORM
PRF66824
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PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824

PROFORM

PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824

$50.60
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824
PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824

PROFORM

PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED 66824

$50.60
Description

PROFORM WEDGE-LOCKING HEADER BOLTS 1 inch L x 3/8 inch 12 PCS NICKEL PLATED

66824

PROFORM Wedge-Locking Header Bolts ELIMINATE the need to constantly re-tighten collector bolts, and without the need for clips, pins, racing-wire, chemicals or gunk. The secret is in the Wedge-Locking Washer's super-hardened external teeth that "bite" into the bottom of the bolt head and the top flange surface. Vibrations that normally cause other bolts to loosen, are blocked by the wedge-locking action that uses tension, instead of friction to stay snug. In fact, contact with oil actually facilitates the effect. Installs/uninstalls with a normal wrench, lubricate, and then reuse. Each set comes with twelve Hex Head, Grade 8 (12.9) steel bolts (3/8"-16 thread, 1" long) with a shiny nickel plated finish, and pre-assembled Wedge-Locking Washers.

Fitment
Year
Make
Model
Engine
Notes
1999
Chevrolet
B7
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1965 - 1969
Chevrolet
Bel Air
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Bel Air
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1966 - 1969
Chevrolet
Bel Air
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1975
Chevrolet
Bel Air
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1965 - 1969
Chevrolet
Biscayne
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Biscayne
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1966 - 1969
Chevrolet
Biscayne
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Biscayne
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
Blazer
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Brookwood
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Brookwood
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Brookwood
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Brookwood
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1975 - 1980
Chevrolet
C10
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
C10 Pickup
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
C10 Pickup
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
C10 Pickup
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
C10 Suburban
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
C10 Suburban
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1980
Chevrolet
C10 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1990 - 1993
Chevrolet
C1500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1975 - 1986
Chevrolet
C20
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
C20 Pickup
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
C20 Pickup
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
C20 Pickup
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
C20 Suburban
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
C20 Suburban
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1986
Chevrolet
C20 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1991 - 1999
Chevrolet
C2500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1992 - 1999
Chevrolet
C2500 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1975 - 1986
Chevrolet
C30
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
C30 Pickup
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
C30 Pickup
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
C30 Pickup
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1988 - 1999
Chevrolet
C3500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1991 - 1999
Chevrolet
C3500HD
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
C50
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
C60
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1999
Chevrolet
C6500 Kodiak
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1979 - 1980
Chevrolet
C70
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1999
Chevrolet
C7500 Kodiak
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1967 - 1969
Chevrolet
Camaro
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Camaro
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Camaro
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1966 - 1969
Chevrolet
Caprice
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Caprice
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1966 - 1969
Chevrolet
Caprice
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1976
Chevrolet
Caprice
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1965 - 1970
Chevrolet
Chevelle
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Chevelle
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1973
Chevrolet
Chevelle
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968
Chevrolet
Chevy II
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1965
Chevrolet
Corvette
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1966 - 1969
Chevrolet
Corvette
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1974
Chevrolet
Corvette
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1966 - 1970
Chevrolet
El Camino
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
El Camino
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1975
Chevrolet
El Camino
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Estate
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970
Chevrolet
Estate
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Estate
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970
Chevrolet
Estate
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1996 - 1999
Chevrolet
Express 3500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
G10 Van
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1976
Chevrolet
G20
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
G20 Van
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1975 - 1976, 1988 - 1996
Chevrolet
G30
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
G30 Van
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1993 - 1996
Chevrolet
GP3500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1965 - 1969
Chevrolet
Impala
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Impala
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1966 - 1969
Chevrolet
Impala
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1976
Chevrolet
Impala
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1976, 1980
Chevrolet
K10
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
K10 Pickup
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
K10 Pickup
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
K10 Pickup
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
K10 Suburban
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
K10 Suburban
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
K10 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1976 - 1978
Chevrolet
K20
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
K20 Pickup
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
K20 Pickup
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
K20 Pickup
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
K20 Suburban
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
K20 Suburban
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974, 1985
Chevrolet
K20 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1991 - 1999
Chevrolet
K2500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1992 - 1999
Chevrolet
K2500 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1977, 1980 - 1986
Chevrolet
K30
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1968 - 1969
Chevrolet
K30 Pickup
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
K30 Pickup
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1974
Chevrolet
K30 Pickup
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1988 - 1999
Chevrolet
K3500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1976 - 1978
Chevrolet
K5 Blazer
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Kingswood
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Kingswood
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Kingswood
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Kingswood
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1975
Chevrolet
Laguna
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1965 - 1967
Chevrolet
Malibu
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973 - 1975
Chevrolet
Malibu
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Monte Carlo
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1975
Chevrolet
Monte Carlo
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969 - 1970
Chevrolet
Nova
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Nova
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1971
Chevrolet
Nova
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1973
Chevrolet
P10 Van
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1976, 1979
Chevrolet
P20
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1971, 1973
Chevrolet
P20 Van
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1975 - 1999
Chevrolet
P30
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1972
Chevrolet
P30 Van
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1971, 1973 - 1974
Chevrolet
P30 Van
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1987 - 1988
Chevrolet
R20
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1987 - 1988
Chevrolet
R20 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1989
Chevrolet
R2500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1989 - 1991
Chevrolet
R2500 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1987 - 1988
Chevrolet
R30
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1989 - 1991
Chevrolet
R3500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Townsman
6.5L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Townsman
6.6L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1969
Chevrolet
Townsman
7.0L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1970 - 1972
Chevrolet
Townsman
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1987 - 1988
Chevrolet
V20 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1990
Chevrolet
V2500 Suburban
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1987 - 1988
Chevrolet
V30
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
1989 - 1991
Chevrolet
V3500
7.4L
Hex Head
3/8 dia. X 1in
Blk Oxide Finish
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